HEADER TRANSPORT PROTEIN 04-DEC-13 4CHW TITLE THE ELECTRON CRYSTALLOGRAPHY STRUCTURE OF THE CAMP-FREE POTASSIUM TITLE 2 CHANNEL MLOK1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYCLIC NUCLEOTIDE-GATED POTASSIUM CHANNEL MLL3241; COMPND 3 CHAIN: A, B, C, D; COMPND 4 SYNONYM: MLOTIK1 CHANNEL, MLOK1; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: CAMP NOT PRESENT IN BUFFER SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MESORHIZOBIUM LOTI; SOURCE 3 ORGANISM_TAXID: 381; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PASK90 KEYWDS TRANSPORT PROTEIN, 2DX, VOLTAGE GATED POTASSIUM CHANNEL, CNBD, 2D KEYWDS 2 CRYSTAL EXPDTA ELECTRON CRYSTALLOGRAPHY AUTHOR J.KOWAL,M.CHAMI,P.BAUMGARTNER,M.ARHEIT,P.L.CHIU,M.RANGL,S.SCHEURING, AUTHOR 2 G.F.SCHROEDER,C.M.NIMIGEAN,H.STAHLBERG REVDAT 6 08-MAY-24 4CHW 1 REMARK LINK REVDAT 5 24-APR-19 4CHW 1 REMARK REVDAT 4 01-AUG-18 4CHW 1 JRNL REVDAT 3 28-FEB-18 4CHW 1 SOURCE REVDAT 2 12-FEB-14 4CHW 1 JRNL REVDAT 1 15-JAN-14 4CHW 0 JRNL AUTH J.KOWAL,M.CHAMI,P.BAUMGARTNER,M.ARHEIT,P.L.CHIU,M.RANGL, JRNL AUTH 2 S.SCHEURING,G.F.SCHRODER,C.M.NIMIGEAN,H.STAHLBERG JRNL TITL LIGAND-INDUCED STRUCTURAL CHANGES IN THE CYCLIC JRNL TITL 2 NUCLEOTIDE-MODULATED POTASSIUM CHANNEL MLOK1. JRNL REF NAT COMMUN V. 5 3106 2014 JRNL REFN ESSN 2041-1723 JRNL PMID 24469021 JRNL DOI 10.1038/NCOMMS4106 REMARK 2 REMARK 2 RESOLUTION. 7.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 7.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 10340 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4CHW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE. REMARK 100 THE DEPOSITION ID IS D_1290059155. REMARK 240 REMARK 240 EXPERIMENTAL DETAILS REMARK 240 RECONSTRUCTION METHOD : CRYSTALLOGRAPHY REMARK 240 SAMPLE TYPE : 2D ARRAY REMARK 240 SPECIMEN TYPE : 2D CRYSTAL IN VITREOUS ICE REMARK 240 DATA ACQUISITION REMARK 240 DATE OF DATA COLLECTION : NULL REMARK 240 TEMPERATURE (KELVIN) : NULL REMARK 240 PH : NULL REMARK 240 NUMBER OF CRYSTALS USED : NULL REMARK 240 MICROSCOPE MODEL : FEI/PHILIPS CM200FEG REMARK 240 DETECTOR TYPE : KODAK SO-163 FILM REMARK 240 ACCELERATION VOLTAGE (KV) : 200 REMARK 240 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 240 RESOLUTION RANGE HIGH (A) : NULL REMARK 240 RESOLUTION RANGE LOW (A) : NULL REMARK 240 DATA SCALING SOFTWARE : NULL REMARK 240 COMPLETENESS FOR RANGE (%) : NULL REMARK 240 DATA REDUNDANCY : NULL REMARK 240 IN THE HIGHEST RESOLUTION SHELL REMARK 240 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) :NULL REMARK 240 HIGHEST RESOLUTION SHELL, RANGE LOW (A) :NULL REMARK 240 COMPLETENESS FOR SHELL (%) : NULL REMARK 240 DATA REDUNDANCY IN SHELL : NULL REMARK 240 R MERGE FOR SHELL (I) : NULL REMARK 240 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 240 SOFTWARE USED : NULL REMARK 240 STARTING MODEL : NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 1 REMARK 465 SER A 2 REMARK 465 VAL A 3 REMARK 465 LEU A 4 REMARK 465 PRO A 5 REMARK 465 PHE A 6 REMARK 465 ALA A 351 REMARK 465 ALA A 352 REMARK 465 ALA A 353 REMARK 465 SER A 354 REMARK 465 ALA A 355 REMARK 465 HIS A 356 REMARK 465 HIS A 357 REMARK 465 HIS A 358 REMARK 465 HIS A 359 REMARK 465 HIS A 360 REMARK 465 HIS A 361 REMARK 465 MET B 1 REMARK 465 SER B 2 REMARK 465 VAL B 3 REMARK 465 LEU B 4 REMARK 465 PRO B 5 REMARK 465 PHE B 6 REMARK 465 ALA B 351 REMARK 465 ALA B 352 REMARK 465 ALA B 353 REMARK 465 SER B 354 REMARK 465 ALA B 355 REMARK 465 HIS B 356 REMARK 465 HIS B 357 REMARK 465 HIS B 358 REMARK 465 HIS B 359 REMARK 465 HIS B 360 REMARK 465 HIS B 361 REMARK 465 MET C 1 REMARK 465 SER C 2 REMARK 465 VAL C 3 REMARK 465 LEU C 4 REMARK 465 PRO C 5 REMARK 465 PHE C 6 REMARK 465 ALA C 351 REMARK 465 ALA C 352 REMARK 465 ALA C 353 REMARK 465 SER C 354 REMARK 465 ALA C 355 REMARK 465 HIS C 356 REMARK 465 HIS C 357 REMARK 465 HIS C 358 REMARK 465 HIS C 359 REMARK 465 HIS C 360 REMARK 465 HIS C 361 REMARK 465 MET D 1 REMARK 465 SER D 2 REMARK 465 VAL D 3 REMARK 465 LEU D 4 REMARK 465 PRO D 5 REMARK 465 PHE D 6 REMARK 465 ALA D 351 REMARK 465 ALA D 352 REMARK 465 ALA D 353 REMARK 465 SER D 354 REMARK 465 ALA D 355 REMARK 465 HIS D 356 REMARK 465 HIS D 357 REMARK 465 HIS D 358 REMARK 465 HIS D 359 REMARK 465 HIS D 360 REMARK 465 HIS D 361 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLY A 350 CA C O REMARK 470 GLY B 350 CA C O REMARK 470 GLY C 350 CA C O REMARK 470 GLY D 350 CA C O REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O ARG A 225 CB LEU A 229 2.00 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 LEU B 7 C LEU B 7 O 0.115 REMARK 500 LEU C 7 C LEU C 7 O 0.115 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 ILE A 9 -79.47 -119.96 REMARK 500 THR A 29 17.16 -69.30 REMARK 500 ALA A 65 -89.96 -109.92 REMARK 500 VAL A 68 120.21 -170.04 REMARK 500 ARG A 71 29.26 -159.99 REMARK 500 ASP A 96 38.58 -89.91 REMARK 500 VAL A 103 -19.97 -42.00 REMARK 500 PRO A 306 -170.60 -49.95 REMARK 500 ARG A 349 45.50 -101.71 REMARK 500 ILE B 9 -84.51 -119.96 REMARK 500 VAL B 68 118.99 159.98 REMARK 500 ASP B 96 36.23 -91.23 REMARK 500 VAL B 103 -19.97 -41.28 REMARK 500 PRO B 306 -170.20 -50.11 REMARK 500 ARG B 349 47.03 -102.38 REMARK 500 ILE C 9 -79.97 -120.05 REMARK 500 ALA C 65 -99.96 -129.96 REMARK 500 VAL C 67 -80.08 -90.14 REMARK 500 ASP C 96 40.00 -86.24 REMARK 500 PRO C 306 -179.77 -59.94 REMARK 500 ARG C 349 46.99 -101.45 REMARK 500 ILE D 9 -89.32 -102.38 REMARK 500 THR D 29 19.94 -69.91 REMARK 500 VAL D 67 -80.04 -89.98 REMARK 500 VAL D 103 -19.95 -40.77 REMARK 500 PRO D 306 -170.29 -49.92 REMARK 500 ARG D 349 48.79 -103.31 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A1351 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 175 O REMARK 620 2 THR A 176 O 108.9 REMARK 620 3 THR B 175 O 52.4 160.0 REMARK 620 4 THR B 176 O 99.5 61.8 110.3 REMARK 620 5 THR C 175 O 77.4 136.9 53.0 161.2 REMARK 620 6 THR C 176 O 142.0 93.0 99.6 63.4 107.7 REMARK 620 7 THR D 175 O 52.3 97.1 77.2 139.4 52.0 156.9 REMARK 620 8 THR D 176 O 156.0 60.4 139.6 93.7 96.1 62.0 105.5 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A1350 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 177 O REMARK 620 2 TYR A 178 O 100.1 REMARK 620 3 GLY B 177 O 59.8 129.5 REMARK 620 4 TYR B 178 O 111.3 49.9 92.0 REMARK 620 5 GLY C 177 O 92.1 167.6 59.2 127.2 REMARK 620 6 TYR C 178 O 159.7 75.6 107.2 50.6 93.8 REMARK 620 7 GLY D 177 O 65.3 121.9 92.9 171.3 61.5 134.0 REMARK 620 8 TYR D 178 O 140.8 53.1 158.5 75.1 115.3 51.3 102.2 REMARK 620 N 1 2 3 4 5 6 7 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1350 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1351 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4CHV RELATED DB: PDB REMARK 900 THE ELECTRON CRYSTALLOGRAPHY STRUCTURE OF THE CAMP-BOUND POTASSIUM REMARK 900 CHANNEL MLOK1 REMARK 900 RELATED ID: EMD-2527 RELATED DB: EMDB REMARK 900 THE ELECTRON CRYSTALLOGRAPHY STRUCTURE OF THE CAMP-FREE POTASSIUM REMARK 900 CHANNEL MLOK1 DBREF 4CHW A 1 355 UNP Q98GN8 CNGK1_RHILO 1 355 DBREF 4CHW B 1 355 UNP Q98GN8 CNGK1_RHILO 1 355 DBREF 4CHW C 1 355 UNP Q98GN8 CNGK1_RHILO 1 355 DBREF 4CHW D 1 355 UNP Q98GN8 CNGK1_RHILO 1 355 SEQADV 4CHW HIS A 356 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS A 357 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS A 358 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS A 359 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS A 360 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS A 361 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS B 356 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS B 357 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS B 358 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS B 359 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS B 360 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS B 361 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS C 356 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS C 357 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS C 358 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS C 359 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS C 360 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS C 361 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS D 356 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS D 357 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS D 358 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS D 359 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS D 360 UNP Q98GN8 EXPRESSION TAG SEQADV 4CHW HIS D 361 UNP Q98GN8 EXPRESSION TAG SEQRES 1 A 361 MET SER VAL LEU PRO PHE LEU ARG ILE TYR ALA PRO LEU SEQRES 2 A 361 ASN ALA VAL LEU ALA ALA PRO GLY LEU LEU ALA VAL ALA SEQRES 3 A 361 ALA LEU THR ILE PRO ASP MET SER GLY ARG SER ARG LEU SEQRES 4 A 361 ALA LEU ALA ALA LEU LEU ALA VAL ILE TRP GLY ALA TYR SEQRES 5 A 361 LEU LEU GLN LEU ALA ALA THR LEU LEU LYS ARG ARG ALA SEQRES 6 A 361 GLY VAL VAL ARG ASP ARG THR PRO LYS ILE ALA ILE ASP SEQRES 7 A 361 VAL LEU ALA VAL LEU VAL PRO LEU ALA ALA PHE LEU LEU SEQRES 8 A 361 ASP GLY SER PRO ASP TRP SER LEU TYR CYS ALA VAL TRP SEQRES 9 A 361 LEU LEU LYS PRO LEU ARG ASP SER THR PHE PHE PRO VAL SEQRES 10 A 361 LEU GLY ARG VAL LEU ALA ASN GLU ALA ARG ASN LEU ILE SEQRES 11 A 361 GLY VAL THR THR LEU PHE GLY VAL VAL LEU PHE ALA VAL SEQRES 12 A 361 ALA LEU ALA ALA TYR VAL ILE GLU ARG ASP ILE GLN PRO SEQRES 13 A 361 GLU LYS PHE GLY SER ILE PRO GLN ALA MET TRP TRP ALA SEQRES 14 A 361 VAL VAL THR LEU SER THR THR GLY TYR GLY ASP THR ILE SEQRES 15 A 361 PRO GLN SER PHE ALA GLY ARG VAL LEU ALA GLY ALA VAL SEQRES 16 A 361 MET MET SER GLY ILE GLY ILE PHE GLY LEU TRP ALA GLY SEQRES 17 A 361 ILE LEU ALA THR GLY PHE TYR GLN GLU VAL ARG ARG GLY SEQRES 18 A 361 ASP PHE VAL ARG ASN TRP GLN LEU VAL ALA ALA VAL PRO SEQRES 19 A 361 LEU PHE GLN LYS LEU GLY PRO ALA VAL LEU VAL GLU ILE SEQRES 20 A 361 VAL ARG ALA LEU ARG ALA ARG THR VAL PRO ALA GLY ALA SEQRES 21 A 361 VAL ILE CYS ARG ILE GLY GLU PRO GLY ASP ARG MET PHE SEQRES 22 A 361 PHE VAL VAL GLU GLY SER VAL SER VAL ALA THR PRO ASN SEQRES 23 A 361 PRO VAL GLU LEU GLY PRO GLY ALA PHE PHE GLY GLU MET SEQRES 24 A 361 ALA LEU ILE SER GLY GLU PRO ARG SER ALA THR VAL SER SEQRES 25 A 361 ALA ALA THR THR VAL SER LEU LEU SER LEU HIS SER ALA SEQRES 26 A 361 ASP PHE GLN MET LEU CYS SER SER SER PRO GLU ILE ALA SEQRES 27 A 361 GLU ILE PHE ARG LYS THR ALA LEU GLU ARG ARG GLY ALA SEQRES 28 A 361 ALA ALA SER ALA HIS HIS HIS HIS HIS HIS SEQRES 1 B 361 MET SER VAL LEU PRO PHE LEU ARG ILE TYR ALA PRO LEU SEQRES 2 B 361 ASN ALA VAL LEU ALA ALA PRO GLY LEU LEU ALA VAL ALA SEQRES 3 B 361 ALA LEU THR ILE PRO ASP MET SER GLY ARG SER ARG LEU SEQRES 4 B 361 ALA LEU ALA ALA LEU LEU ALA VAL ILE TRP GLY ALA TYR SEQRES 5 B 361 LEU LEU GLN LEU ALA ALA THR LEU LEU LYS ARG ARG ALA SEQRES 6 B 361 GLY VAL VAL ARG ASP ARG THR PRO LYS ILE ALA ILE ASP SEQRES 7 B 361 VAL LEU ALA VAL LEU VAL PRO LEU ALA ALA PHE LEU LEU SEQRES 8 B 361 ASP GLY SER PRO ASP TRP SER LEU TYR CYS ALA VAL TRP SEQRES 9 B 361 LEU LEU LYS PRO LEU ARG ASP SER THR PHE PHE PRO VAL SEQRES 10 B 361 LEU GLY ARG VAL LEU ALA ASN GLU ALA ARG ASN LEU ILE SEQRES 11 B 361 GLY VAL THR THR LEU PHE GLY VAL VAL LEU PHE ALA VAL SEQRES 12 B 361 ALA LEU ALA ALA TYR VAL ILE GLU ARG ASP ILE GLN PRO SEQRES 13 B 361 GLU LYS PHE GLY SER ILE PRO GLN ALA MET TRP TRP ALA SEQRES 14 B 361 VAL VAL THR LEU SER THR THR GLY TYR GLY ASP THR ILE SEQRES 15 B 361 PRO GLN SER PHE ALA GLY ARG VAL LEU ALA GLY ALA VAL SEQRES 16 B 361 MET MET SER GLY ILE GLY ILE PHE GLY LEU TRP ALA GLY SEQRES 17 B 361 ILE LEU ALA THR GLY PHE TYR GLN GLU VAL ARG ARG GLY SEQRES 18 B 361 ASP PHE VAL ARG ASN TRP GLN LEU VAL ALA ALA VAL PRO SEQRES 19 B 361 LEU PHE GLN LYS LEU GLY PRO ALA VAL LEU VAL GLU ILE SEQRES 20 B 361 VAL ARG ALA LEU ARG ALA ARG THR VAL PRO ALA GLY ALA SEQRES 21 B 361 VAL ILE CYS ARG ILE GLY GLU PRO GLY ASP ARG MET PHE SEQRES 22 B 361 PHE VAL VAL GLU GLY SER VAL SER VAL ALA THR PRO ASN SEQRES 23 B 361 PRO VAL GLU LEU GLY PRO GLY ALA PHE PHE GLY GLU MET SEQRES 24 B 361 ALA LEU ILE SER GLY GLU PRO ARG SER ALA THR VAL SER SEQRES 25 B 361 ALA ALA THR THR VAL SER LEU LEU SER LEU HIS SER ALA SEQRES 26 B 361 ASP PHE GLN MET LEU CYS SER SER SER PRO GLU ILE ALA SEQRES 27 B 361 GLU ILE PHE ARG LYS THR ALA LEU GLU ARG ARG GLY ALA SEQRES 28 B 361 ALA ALA SER ALA HIS HIS HIS HIS HIS HIS SEQRES 1 C 361 MET SER VAL LEU PRO PHE LEU ARG ILE TYR ALA PRO LEU SEQRES 2 C 361 ASN ALA VAL LEU ALA ALA PRO GLY LEU LEU ALA VAL ALA SEQRES 3 C 361 ALA LEU THR ILE PRO ASP MET SER GLY ARG SER ARG LEU SEQRES 4 C 361 ALA LEU ALA ALA LEU LEU ALA VAL ILE TRP GLY ALA TYR SEQRES 5 C 361 LEU LEU GLN LEU ALA ALA THR LEU LEU LYS ARG ARG ALA SEQRES 6 C 361 GLY VAL VAL ARG ASP ARG THR PRO LYS ILE ALA ILE ASP SEQRES 7 C 361 VAL LEU ALA VAL LEU VAL PRO LEU ALA ALA PHE LEU LEU SEQRES 8 C 361 ASP GLY SER PRO ASP TRP SER LEU TYR CYS ALA VAL TRP SEQRES 9 C 361 LEU LEU LYS PRO LEU ARG ASP SER THR PHE PHE PRO VAL SEQRES 10 C 361 LEU GLY ARG VAL LEU ALA ASN GLU ALA ARG ASN LEU ILE SEQRES 11 C 361 GLY VAL THR THR LEU PHE GLY VAL VAL LEU PHE ALA VAL SEQRES 12 C 361 ALA LEU ALA ALA TYR VAL ILE GLU ARG ASP ILE GLN PRO SEQRES 13 C 361 GLU LYS PHE GLY SER ILE PRO GLN ALA MET TRP TRP ALA SEQRES 14 C 361 VAL VAL THR LEU SER THR THR GLY TYR GLY ASP THR ILE SEQRES 15 C 361 PRO GLN SER PHE ALA GLY ARG VAL LEU ALA GLY ALA VAL SEQRES 16 C 361 MET MET SER GLY ILE GLY ILE PHE GLY LEU TRP ALA GLY SEQRES 17 C 361 ILE LEU ALA THR GLY PHE TYR GLN GLU VAL ARG ARG GLY SEQRES 18 C 361 ASP PHE VAL ARG ASN TRP GLN LEU VAL ALA ALA VAL PRO SEQRES 19 C 361 LEU PHE GLN LYS LEU GLY PRO ALA VAL LEU VAL GLU ILE SEQRES 20 C 361 VAL ARG ALA LEU ARG ALA ARG THR VAL PRO ALA GLY ALA SEQRES 21 C 361 VAL ILE CYS ARG ILE GLY GLU PRO GLY ASP ARG MET PHE SEQRES 22 C 361 PHE VAL VAL GLU GLY SER VAL SER VAL ALA THR PRO ASN SEQRES 23 C 361 PRO VAL GLU LEU GLY PRO GLY ALA PHE PHE GLY GLU MET SEQRES 24 C 361 ALA LEU ILE SER GLY GLU PRO ARG SER ALA THR VAL SER SEQRES 25 C 361 ALA ALA THR THR VAL SER LEU LEU SER LEU HIS SER ALA SEQRES 26 C 361 ASP PHE GLN MET LEU CYS SER SER SER PRO GLU ILE ALA SEQRES 27 C 361 GLU ILE PHE ARG LYS THR ALA LEU GLU ARG ARG GLY ALA SEQRES 28 C 361 ALA ALA SER ALA HIS HIS HIS HIS HIS HIS SEQRES 1 D 361 MET SER VAL LEU PRO PHE LEU ARG ILE TYR ALA PRO LEU SEQRES 2 D 361 ASN ALA VAL LEU ALA ALA PRO GLY LEU LEU ALA VAL ALA SEQRES 3 D 361 ALA LEU THR ILE PRO ASP MET SER GLY ARG SER ARG LEU SEQRES 4 D 361 ALA LEU ALA ALA LEU LEU ALA VAL ILE TRP GLY ALA TYR SEQRES 5 D 361 LEU LEU GLN LEU ALA ALA THR LEU LEU LYS ARG ARG ALA SEQRES 6 D 361 GLY VAL VAL ARG ASP ARG THR PRO LYS ILE ALA ILE ASP SEQRES 7 D 361 VAL LEU ALA VAL LEU VAL PRO LEU ALA ALA PHE LEU LEU SEQRES 8 D 361 ASP GLY SER PRO ASP TRP SER LEU TYR CYS ALA VAL TRP SEQRES 9 D 361 LEU LEU LYS PRO LEU ARG ASP SER THR PHE PHE PRO VAL SEQRES 10 D 361 LEU GLY ARG VAL LEU ALA ASN GLU ALA ARG ASN LEU ILE SEQRES 11 D 361 GLY VAL THR THR LEU PHE GLY VAL VAL LEU PHE ALA VAL SEQRES 12 D 361 ALA LEU ALA ALA TYR VAL ILE GLU ARG ASP ILE GLN PRO SEQRES 13 D 361 GLU LYS PHE GLY SER ILE PRO GLN ALA MET TRP TRP ALA SEQRES 14 D 361 VAL VAL THR LEU SER THR THR GLY TYR GLY ASP THR ILE SEQRES 15 D 361 PRO GLN SER PHE ALA GLY ARG VAL LEU ALA GLY ALA VAL SEQRES 16 D 361 MET MET SER GLY ILE GLY ILE PHE GLY LEU TRP ALA GLY SEQRES 17 D 361 ILE LEU ALA THR GLY PHE TYR GLN GLU VAL ARG ARG GLY SEQRES 18 D 361 ASP PHE VAL ARG ASN TRP GLN LEU VAL ALA ALA VAL PRO SEQRES 19 D 361 LEU PHE GLN LYS LEU GLY PRO ALA VAL LEU VAL GLU ILE SEQRES 20 D 361 VAL ARG ALA LEU ARG ALA ARG THR VAL PRO ALA GLY ALA SEQRES 21 D 361 VAL ILE CYS ARG ILE GLY GLU PRO GLY ASP ARG MET PHE SEQRES 22 D 361 PHE VAL VAL GLU GLY SER VAL SER VAL ALA THR PRO ASN SEQRES 23 D 361 PRO VAL GLU LEU GLY PRO GLY ALA PHE PHE GLY GLU MET SEQRES 24 D 361 ALA LEU ILE SER GLY GLU PRO ARG SER ALA THR VAL SER SEQRES 25 D 361 ALA ALA THR THR VAL SER LEU LEU SER LEU HIS SER ALA SEQRES 26 D 361 ASP PHE GLN MET LEU CYS SER SER SER PRO GLU ILE ALA SEQRES 27 D 361 GLU ILE PHE ARG LYS THR ALA LEU GLU ARG ARG GLY ALA SEQRES 28 D 361 ALA ALA SER ALA HIS HIS HIS HIS HIS HIS HET K A1350 1 HET K A1351 1 HETNAM K POTASSIUM ION FORMUL 5 K 2(K 1+) HELIX 1 1 PRO A 12 THR A 29 1 18 HELIX 2 2 SER A 34 LYS A 62 1 29 HELIX 3 3 ARG A 71 ASP A 92 1 22 HELIX 4 4 SER A 94 LEU A 105 5 12 HELIX 5 5 LEU A 106 SER A 112 1 7 HELIX 6 6 THR A 113 ARG A 152 1 40 HELIX 7 7 SER A 161 SER A 174 1 14 HELIX 8 8 SER A 185 ARG A 225 1 41 HELIX 9 9 TRP A 227 VAL A 233 1 7 HELIX 10 10 PRO A 234 LYS A 238 5 5 HELIX 11 11 GLY A 240 LEU A 251 1 12 HELIX 12 12 GLY A 297 GLY A 304 1 8 HELIX 13 13 SER A 324 SER A 334 1 11 HELIX 14 14 SER A 334 ARG A 349 1 16 HELIX 15 15 PRO B 12 THR B 29 1 18 HELIX 16 16 SER B 34 LYS B 62 1 29 HELIX 17 17 ARG B 71 ASP B 92 1 22 HELIX 18 18 SER B 94 LEU B 105 5 12 HELIX 19 19 LEU B 106 SER B 112 1 7 HELIX 20 20 THR B 113 ARG B 152 1 40 HELIX 21 21 SER B 161 SER B 174 1 14 HELIX 22 22 SER B 185 ARG B 225 1 41 HELIX 23 23 TRP B 227 ALA B 232 1 6 HELIX 24 24 VAL B 233 LYS B 238 5 6 HELIX 25 25 GLY B 240 LEU B 251 1 12 HELIX 26 26 GLY B 297 GLY B 304 1 8 HELIX 27 27 SER B 324 SER B 334 1 11 HELIX 28 28 SER B 334 ARG B 349 1 16 HELIX 29 29 PRO C 12 THR C 29 1 18 HELIX 30 30 SER C 34 LYS C 62 1 29 HELIX 31 31 ARG C 71 ASP C 92 1 22 HELIX 32 32 SER C 94 LEU C 105 5 12 HELIX 33 33 LEU C 106 SER C 112 1 7 HELIX 34 34 THR C 113 ARG C 152 1 40 HELIX 35 35 SER C 161 SER C 174 1 14 HELIX 36 36 SER C 185 ARG C 225 1 41 HELIX 37 37 TRP C 227 ALA C 232 1 6 HELIX 38 38 VAL C 233 LYS C 238 5 6 HELIX 39 39 GLY C 240 LEU C 251 1 12 HELIX 40 40 GLY C 297 GLY C 304 1 8 HELIX 41 41 SER C 324 SER C 334 1 11 HELIX 42 42 SER C 334 ARG C 349 1 16 HELIX 43 43 PRO D 12 THR D 29 1 18 HELIX 44 44 SER D 34 LYS D 62 1 29 HELIX 45 45 ARG D 71 ASP D 92 1 22 HELIX 46 46 SER D 94 LEU D 105 5 12 HELIX 47 47 LEU D 106 SER D 112 1 7 HELIX 48 48 THR D 113 ARG D 152 1 40 HELIX 49 49 SER D 161 SER D 174 1 14 HELIX 50 50 SER D 185 ARG D 225 1 41 HELIX 51 51 TRP D 227 ALA D 232 1 6 HELIX 52 52 VAL D 233 LYS D 238 5 6 HELIX 53 53 GLY D 240 LEU D 251 1 12 HELIX 54 54 GLY D 297 GLY D 304 1 8 HELIX 55 55 SER D 324 SER D 334 1 11 HELIX 56 56 SER D 334 ARG D 349 1 16 SHEET 1 AA 4 ARG A 252 VAL A 256 0 SHEET 2 AA 4 VAL A 317 HIS A 323 -1 O VAL A 317 N VAL A 256 SHEET 3 AA 4 ARG A 271 GLU A 277 -1 O MET A 272 N LEU A 322 SHEET 4 AA 4 PHE A 295 PHE A 296 -1 O PHE A 296 N PHE A 273 SHEET 1 AB 4 ALA A 260 CYS A 263 0 SHEET 2 AB 4 THR A 310 ALA A 313 -1 O VAL A 311 N ILE A 262 SHEET 3 AB 4 VAL A 280 ALA A 283 -1 O SER A 281 N SER A 312 SHEET 4 AB 4 VAL A 288 LEU A 290 -1 O VAL A 288 N VAL A 282 SHEET 1 BA 4 ARG B 252 VAL B 256 0 SHEET 2 BA 4 VAL B 317 HIS B 323 -1 O VAL B 317 N VAL B 256 SHEET 3 BA 4 ARG B 271 GLU B 277 -1 O MET B 272 N LEU B 322 SHEET 4 BA 4 PHE B 295 PHE B 296 -1 O PHE B 296 N PHE B 273 SHEET 1 BB 4 ALA B 260 CYS B 263 0 SHEET 2 BB 4 THR B 310 ALA B 313 -1 O VAL B 311 N ILE B 262 SHEET 3 BB 4 VAL B 280 ALA B 283 -1 O SER B 281 N SER B 312 SHEET 4 BB 4 VAL B 288 LEU B 290 -1 O VAL B 288 N VAL B 282 SHEET 1 CA 4 ARG C 252 VAL C 256 0 SHEET 2 CA 4 VAL C 317 HIS C 323 -1 O VAL C 317 N VAL C 256 SHEET 3 CA 4 ARG C 271 GLU C 277 -1 O MET C 272 N LEU C 322 SHEET 4 CA 4 PHE C 295 PHE C 296 -1 O PHE C 296 N PHE C 273 SHEET 1 CB 4 ALA C 260 CYS C 263 0 SHEET 2 CB 4 THR C 310 ALA C 313 -1 O VAL C 311 N ILE C 262 SHEET 3 CB 4 VAL C 280 ALA C 283 -1 O SER C 281 N SER C 312 SHEET 4 CB 4 VAL C 288 LEU C 290 -1 O VAL C 288 N VAL C 282 SHEET 1 DA 4 ARG D 252 VAL D 256 0 SHEET 2 DA 4 VAL D 317 HIS D 323 -1 O VAL D 317 N VAL D 256 SHEET 3 DA 4 ARG D 271 GLU D 277 -1 O MET D 272 N LEU D 322 SHEET 4 DA 4 PHE D 295 PHE D 296 -1 O PHE D 296 N PHE D 273 SHEET 1 DB 4 ALA D 260 CYS D 263 0 SHEET 2 DB 4 THR D 310 ALA D 313 -1 O VAL D 311 N ILE D 262 SHEET 3 DB 4 VAL D 280 ALA D 283 -1 O SER D 281 N SER D 312 SHEET 4 DB 4 VAL D 288 LEU D 290 -1 O VAL D 288 N VAL D 282 LINK O THR A 175 K K A1351 1555 1555 2.70 LINK O THR A 176 K K A1351 1555 1555 2.46 LINK O GLY A 177 K K A1350 1555 1555 2.55 LINK O TYR A 178 K K A1350 1555 1555 2.68 LINK K K A1350 O GLY B 177 1555 1555 2.69 LINK K K A1350 O TYR B 178 1555 1555 2.78 LINK K K A1350 O GLY C 177 1555 1555 2.66 LINK K K A1350 O TYR C 178 1555 1555 2.73 LINK K K A1350 O GLY D 177 1555 1555 2.52 LINK K K A1350 O TYR D 178 1555 1555 2.64 LINK K K A1351 O THR B 175 1555 1555 2.66 LINK K K A1351 O THR B 176 1555 1555 2.43 LINK K K A1351 O THR C 175 1555 1555 2.68 LINK K K A1351 O THR C 176 1555 1555 2.45 LINK K K A1351 O THR D 175 1555 1555 2.73 LINK K K A1351 O THR D 176 1555 1555 2.47 SITE 1 AC1 9 GLY A 177 TYR A 178 GLY B 177 TYR B 178 SITE 2 AC1 9 GLY C 177 TYR C 178 GLY D 177 TYR D 178 SITE 3 AC1 9 GLY D 179 SITE 1 AC2 8 THR A 175 THR A 176 THR B 175 THR B 176 SITE 2 AC2 8 THR C 175 THR C 176 THR D 175 THR D 176 CRYST1 105.300 105.300 105.300 90.00 90.00 90.00 P 1 4 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.009497 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009497 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009497 0.00000